30040125 has 16 divisors (see below), whose sum is σ = 49987392. Its totient is φ = 16021200.

The previous prime is 30040117. The next prime is 30040133. The reversal of 30040125 is 52104003.

It is an interprime number because it is at equal distance from previous prime (30040117) and next prime (30040133).

It is not a de Polignac number, because 30040125 - 2³ = 30040117 is a prime.

It is a super-2 number, since 2×30040125² = 1804818220031250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39679 + ... + 40428.

It is an arithmetic number, because the mean of its divisors is an integer number (3124212).

Almost surely, 2^30040125 is an apocalyptic number.

It is an amenable number.

30040125 is a deficient number, since it is larger than the sum of its proper divisors (19947267).

30040125 is an equidigital number, since it uses as much as digits as its factorization.

30040125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80125 (or 80115 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 30040125 is about 5480.8872456930. The cubic root of 30040125 is about 310.8617196622.

Adding to 30040125 its reverse (52104003), we get a palindrome (82144128).

The spelling of 30040125 in words is "thirty million, forty thousand, one hundred twenty-five".